JP2002045556A - Ball lifting device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a ball lifting device capable of lowering the location of an upper tension roller and improving durability by fully displaying the function as a tension mechanism. SOLUTION: The tension mechanism 7 comprises the upper tension roller 8, a lower tension roller 10 and an intermediate tension roller 9. The intermediate tension roller 9 is arranged to be energized in the roughly vertical direction to a conveying belt 5 hung across obliquely between the upper tension roller 8 and the lower tension roller 10, so that the resiliency from the conveying belt 5 hung across obliquely between the upper tension roller 8 and the lower tension roller 10 can be received by the elastic member of the intermediate tension roller 9 in an appropriate condition. Thereby, the function of the tension mechanism 7 can be fully displayed, and the durability of the tension mechanism 7 can be improved.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a pachinko ball that is transported around an upper roller and a lower roller supported by a lifting cylinder body by driving a motor to lift pachinko balls. The present invention relates to a doffing and feeding device having a tension mechanism for applying tension to a belt.

[0002]

2. Description of the Related Art Heretofore, the present applicant has disclosed Japanese Patent Application Laid-Open No. 9-4756.
No. 2 proposes a doffing apparatus. This doffing and feeding device includes two upper tension rollers and a lower tension roller which are disposed on the same vertical line in order to efficiently apply tension to the transport belt, and a single tension roller which is located therebetween and biases the transport belt. An intermediate tension roller is provided. With such a tension mechanism, when urging the transport belt with the intermediate tension roller,
Since the entire movement of the conveyance belt is regulated by the lower tension roller, the conveyance belt can be formed in a meandering shape even if the movement distance of the intermediate tension roller is small, and the tension can be efficiently removed from the conveyance belt. It has become.

[0003] However, this doffing apparatus has an upper part,
Since the lower tension roller is disposed on the same vertical line, the distance between the upper tension roller and the lower tension roller in the vertical direction increases, and the position of the upper tension roller necessarily increases. As a result, there is a problem that the counter of the pachinko island stand can be installed only at a position higher than the upper tension roller.

Accordingly, the present applicant has disclosed in Japanese Patent Laid-Open No. 11-193.
No. 21 proposes a doffing apparatus. This doffing and feeding apparatus is a tension mechanism that applies tension to the transport belt by the three tension rollers as described above. However, the positional relationship between the upper and lower tension rollers is different from the above-described tension mechanism, and the upper tension roller and the upper tension roller are different from each other. The positional relationship between the lower tension roller and the lower tension roller is not on the same vertical line, but the lower tension roller is disposed at a position farther from the lifting cylinder body than the upper tension roller. With such a configuration, it is possible to lower the position of the tension roller at the upper portion while maintaining the distance relationship between the upper tension roller and the lower tension roller, thereby solving the above problem.

[0005]

However, in the intermediate tension roller of the tension mechanism in the ball lifting device disclosed in the above-mentioned Japanese Patent Application Laid-Open No. 11-19321, a transport belt is provided in a direction perpendicular to the lifting cylinder main body. That is, tension is applied to the conveying belt obliquely stretched between the upper tension roller and the lower tension roller in an oblique direction. For this reason, the repulsive force of the conveyor belt is not applied only in the axial direction of the sliding shaft of the intermediate tension roller, and not all of the repulsive force is absorbed by the coil spring, and the function of the intermediate tension roller is sufficiently exhibited. Did not. In addition, the sliding shaft on which the intermediate tension roller slides is excessively worn due to the excessive sliding of the intermediate tension roller, and furthermore, an excessive force is applied to the support member supporting the sliding shaft. There is a problem that the member is easily damaged. The present invention has been made in view of the above-described circumstances, and an object thereof is to lower the position of an upper tension roller and to exhibit a sufficient function as a tension mechanism to improve durability. It is an object of the present invention to provide a doffing and feeding device capable of performing the above.

[0006]

In order to achieve the above object, according to the first aspect of the present invention, a transport belt wound around an upper roller and a lower roller which is supported by a lifting cylinder main body is provided by a motor. In a ball lifting device having a tension mechanism for rotating the pachinko balls by orbiting by driving and applying tension to the transport belt, the tension mechanism includes an upper tension roller around which the transport belt is stretched, A lower tension roller disposed below the upper tension roller and at a position where the transport belt is obliquely extended between the upper tension roller and the transport belt, and a lower tension roller between the upper tension roller and the lower tension roller. An intermediate tension roller for urging the transport belt with an elastic member, the belt being slanted between the rollers. The intermediate tension roller is disposed so as to urge in a substantially vertical direction with respect to the transport belt obliquely wound between the upper tension roller and the lower tension roller. It is. With such a configuration, the resilient member of the intermediate tension roller can receive the repulsive force from the transport belt obliquely stretched between the upper tension roller and the lower tension roller in an appropriate state. Can be sufficiently exhibited, and the durability of the tension mechanism can be improved. Further, since the positions of the upper tension roller and the lower tension roller are oblique, the length of the tension mechanism in the vertical direction can be shortened, and the position of the upper tension roller can be kept low.

Further, in the invention of claim 2, the upper tension roller and the lower tension roller are
The intermediate tension roller is located outside the conveyor belt, and the intermediate tension roller is located inside the conveyor belt. With this configuration,
Since the upper tension roller and the lower tension roller can be arranged close to the lifting cylinder main body, the entire tension mechanism can be made smaller. Further, since the intermediate tension roller urges the transport belt from the lifting cylinder main body side toward the outside of the lifting cylinder main body, the moving space of the intermediate tension roller can be widened.

Further, in the invention according to claim 3, the intermediate tension roller stands upright in a substantially vertical direction with respect to the transport belt obliquely wound between the upper tension roller and the lower tension roller. The two sliding shafts parallel to each other slide in a biased state by fitting through mounting holes formed at both ends of a support shaft of the coil spring and the intermediate tension roller, respectively. And the sliding shaft is detachably fixed to the lifting cylinder main body. With this configuration, even when the intermediate tension roller slides on the sliding shaft and the sliding shaft is worn, only the sliding shaft needs to be replaced, and the entire tension mechanism needs to be replaced. Absent.

According to a fourth aspect of the present invention, the sliding shaft is fixed to a support member which is detachably fixed to the lifting cylinder main body. With this configuration, even if the support member is damaged or damaged due to an impact from the intermediate tension roller or the like, only the support member needs to be replaced, and there is no need to replace the entire lifting cylinder main body.

According to a fifth aspect of the present invention, the support member is integrally formed as one support member to which both of the two sliding shafts are fixed. is there. With such a configuration, the work of fixing the two sliding shafts in parallel can be easily performed because both are fixed to the integrally formed support member. In addition, workability such as replacement work of the support member can be improved.

Further, in the invention according to claim 6, the support member includes a base member for fixing the upper tension roller and the lower tension roller, and an auxiliary member for fixing the sliding shaft. And the auxiliary member is detachably fixed to the base member. With this configuration, even when the base member is damaged or damaged due to the impact from the upper tension roller and the lower tension roller, or when the auxiliary member is damaged or damaged due to the impact of the intermediate tension roller, the respective members are not affected. It is only necessary to replace only the support member and it is not necessary to replace the entire support member. Also,
It is only necessary to increase the processing accuracy of the auxiliary member, which requires high processing accuracy to fix the two sliding shafts in parallel, and it is not necessary to increase the processing accuracy of the entire support member, thereby reducing manufacturing costs. Can be.

Further, in the invention according to claim 7, the intermediate tension roller is substantially perpendicular to the transport belt obliquely stretched between the upper tension roller and the lower tension roller. It is characterized by being arranged on a bisector. With this configuration, the resilient member of the intermediate tension roller can receive the repulsive force from the transport belt obliquely stretched between the upper tension roller and the lower tension roller in an optimal state. Not only can fully exhibit the function described above, but also the durability of the tension mechanism can be further improved.

Further, according to the present invention, the conveying belt wound around the upper roller and the lower roller supported by the lifting cylinder main body is rotated by driving a motor to lift the pachinko balls. In a doffing and feeding device provided with a tension mechanism that applies tension to the transport belt, the tension mechanism includes an upper tension roller around which the transport belt is stretched, and an oblique angle between the upper tension roller and the lower roller. An intermediate tension roller for urging the transport belt to be stretched by an elastic member, wherein the intermediate tension roller is disposed obliquely between the upper tension roller and the lower roller with respect to the transport belt. And are arranged so as to be urged substantially vertically. With this configuration, the resilient member of the intermediate tension roller can receive the repulsive force from the transport belt obliquely stretched between the upper tension roller and the lower roller in an appropriate state. The function can be sufficiently exhibited, and the durability of the tension mechanism can be improved. Further, since the number of tension rollers can be reduced, the length of the tension mechanism in the vertical direction can be further reduced, and the position of the upper tension roller can be kept low.

[0014]

Embodiments of the present invention will be described below with reference to the drawings. First, the overall configuration of a doffing and feeding apparatus that forms a main part of the present embodiment will be described with reference to FIG. FIG. 1 is a side view of an upper portion and a lower portion of the doffing apparatus according to the embodiment.

In the drawing, the doffing and feeding apparatus 1 has a lifting cylinder support member 22 made of the same material as the support 2 welded and fixed to an upper portion of a support 2 made of a thick steel plate. The lifting cylinder main body 3 is erected vertically on the cylinder support member 22. Then, the leather transport belt 5 stretched between the lower roller 4 located at the lower part of the lifting cylinder main body 3 and the upper roller 20 located at the upper part circulates around the lifting cylinder main body 3. Has become. The lifting cylinder main body 3 has a rectangular cross section with one side open, and has a lifting cylinder cover 6 (FIG. 2) for closing the opening.
(See FIG. 3), mounting screw holes (not shown) for mounting the lifting tube cover 6 are formed on both sides of the opening surface. A mounting hole (not shown) is also formed in the lifting cylinder cover 6, and a mounting screw is inserted into the mounting hole and screwed into the mounting screw hole, whereby the lifting cylinder cover 3 is moved. Attached to the opening surface. The lifting cylinder cover 6 covers the opening surface of the lifting cylinder main body 3 from the upper end of the lifting cylinder main body 3 to the upper end of a base member 30 described later. At the time of cleaning, repairing and replacing the intermediate roller and the upper roller 20 (not shown) located at the central portion, or at the time of trouble in the lifting tube main body 3, the lifting tube cover 6 is removed to carry out repair, replacement work or coping with the trouble. Is what you can do.

The transport belt 5 is driven to rotate around the body 3 by rotation of a lower roller 4 having a built-in motor. In order to apply tension to the transport belt 5, a tension mechanism 7 including an upper tension roller 8, an intermediate tension roller 9, and a lower tension roller 10, which the transport belt 5 abuts alternately, includes a lifting cylinder body 3.
Is mounted via a base member 30 to the opening side of the. The tension mechanism 7 will be described later in detail. An introduction gutter 11 is provided below the lower roller 4 for aligning the incoming pachinko balls in a plurality of rows, and a discharge gutter portion above the lifting / discharging tube main body 3 for discharging the ball-polished pachinko balls. The upper bent gutter 12 formed integrally with the upper part 13 is connected.

The pachinko balls that have flowed in from the introduction gutter 11 are transported from the lower roller 4 toward the upper roller 20 by the conveyor belt 5 and then discharged from the discharge gutter 13. In the course of feeding, the dirt attached to the pachinko balls is wiped off by frictional force with a cloth belt (not shown) provided around guide rails 15 described later, and the cleaned pachinko balls are discharged from the discharge gutter portion 13. Will be done. The introduction gutter 11 is provided with an inclination adjustment bolt 14 for adjusting the inclination of the introduction gutter 11. A coil spring is provided around the tilt angle adjusting bolt 14 so that the pachinko balls are smoothly aligned even when an excessive force is applied to the introduction gutter 11 by the pachinko balls flowing inside. I have.

On the other hand, a guide rail 15 is attached to the rear surface side of the lifting cylinder main body 3 via a support hinge (not shown) attached to one side surface of the lifting cylinder main body 3 so as to be openable and closable. I have. The support hinge is provided at several places in the vertical direction of the lifting cylinder main body 3. Further, a stopper 16 (FIG. 2)
) Is attached via a lock 17 (see FIG. 2), and the guide rail 15 has an engagement protrusion 18 () for locking the stopper 16 at a position corresponding to the stopper 16. 2 (see FIG. 2).

The guide rail 15 has a cloth belt fixing and locking member 19 for locking one end of the cloth belt on the rear surface side.
(See FIG. 2) and a tension locking member (not shown) for pulling and locking the other end of the cloth belt, and a cloth belt roller (not shown) for guiding the cloth belt back at the upper end thereof is provided. It is attached by a belt roller fixing member. Thus, the cloth belt locked by the cloth belt fixing and locking member 19 is passed from the lower end of the guide rail 15 through the inside of the guide rail 15 to the cloth belt roller, and is pulled and locked by the tension locking member. .

Further, as described above, the guide rail 15
Is attached to the lifting cylinder main body 3 so as to be openable and closable, so that the transfer belt 5 and the cloth belt are mounted on the ball lifting device 1 by rotating the guide rail 15 about the fulcrum of the support hinge. You can do this by opening it. In this manner, the transport belt 5 and the cloth belt are mounted, and the lifting cylinder main body 3 and the guide rail 15 are locked by the stoppers 16 with the guide rails 15 closed, so that the transport belt 5 and the cloth belt are separated. It is maintained face-to-face. When the guide rail 15 is closed and locked by the stopper 16 in this manner, the lifting cylinder main body 3 and the guide rail 1
5, a gap can be formed by adjusting the fixing position of the locking metal member 17, and the gap can be set according to the set value. The pressure applied to the pachinko balls can be varied.

Thus, the guide rail 15 is closed with the conveyor belt 5 and the cloth belt mounted in this manner, and the stopper 16 is engaged with the engaging projection 18 so that the guide rail 15 is closed.
The pachinko ball is lifted while the dirt is being wiped off by the cloth belt by rotating the transport belt 5 after attaching it to the lifting cylinder main body 3.

When the business belt is closed, the cloth belt on the rear surface is pulled up by pulling the cloth belt at the upper portion of the back surface in a state where the cloth belt fixing and locking member 19 is loosened so that the cloth belt can be moved. Then, the cloth belt fixing and locking member 19 and the tension locking member are sequentially operated to lock the cloth belt, thereby completing the preparation for the polishing on the next day. In addition, the work of winding the cloth belt can be performed in a state where the guide rail 15 is opened from the lifting cylinder main body 3 or in a state where the guide rail 15 is closed. However, when replacing the cloth belt with a new cloth belt, It is necessary to perform the operation in a state where the guide rail 15 is opened from the lifting cylinder main body 3.

Next, the tension mechanism 7 will be described with reference to FIGS. FIG. 2 is a perspective view showing a state where the upper tension roller 8 and the lower tension roller 10 of the tension mechanism 7 are opened and the intermediate tension roller 9 is disassembled. FIG. 3 is a perspective view showing the upper tension roller 8 and the lower tension roller of the tension mechanism 7. FIG. 4 is a perspective view of a state where the roller 10 is opened and an intermediate tension roller 9 is attached.

In FIG. 2, a tension mechanism 7 is provided above the lower roller 4 and applies a tension to the transport belt 5 that circulates around the lifting cylinder main body 3. The tension mechanism 7 includes a base member 30 and an auxiliary member 51 serving as bases of the tension mechanism 7, an upper tension roller 8 attached to an upper end of the base member 30, an intermediate tension roller 9 attached to the auxiliary member 51, and a base member. Lower tension roller 10 attached to the lower end of 30
And is composed of The base member 30 and the auxiliary member 51 constitute a support member 41.
The transport belt 5 is given tension by alternately contacting the tension rollers 8, 9 and 10. Hereinafter, each component constituting the tension mechanism 7 will be described.

First, the base member 30 is formed of a steel plate. An upper tension roller support member 34 is provided on one side of the upper end, and an upper tension roller fixing member 35 is provided on the other side of the upper end. Is provided. In addition, on both sides of the center of the base member 30 in the vertical direction,
An auxiliary member fixing portion 40 for attaching the auxiliary member 51 is provided, and an auxiliary member mounting screw hole 58 is formed in the auxiliary member fixing portion 40. Auxiliary member mounting screw hole 58
A lifting cylinder mounting hole 59 for fastening the base member 30 and the auxiliary member 51 to the lifting cylinder main body 3 together with the base member mounting bolts 57 is formed in a diagonally lower portion of the vertical axis. A lower tension roller support member 45 is provided on one side of the lower end of the base member 30, and a lower tension roller fixing member 46 is provided on the other side of the lower end.

The auxiliary member 51 is formed of a steel plate in the same manner as the base member 30, and the lower portions on both sides thereof are cut and raised to form a sliding shaft mounting portion 52 for mounting the sliding shaft 42. Have been. This sliding shaft mounting portion 52
The auxiliary member 51 together with the base member 30 is
When it is attached to the upper and lower tension rollers 8 and 10, it is cut and raised at an angle that is substantially parallel to the transport belt 5 that is obliquely stretched between the upper tension roller 8 and the lower tension roller 10. The sliding shaft mounting portion 52 is provided with a sliding shaft mounting hole 53 through which the sliding shaft 42 is inserted. Above the sliding shaft mounting hole 53, an auxiliary member 51 is attached to the base member 30. A base member mounting hole 55 for fastening the base member 30 and the auxiliary member 51 together with the lifting cylinder main body 3 is provided on the side of the sliding shaft mounting hole 53. The auxiliary member 51 is provided on the left and right sides.

The auxiliary member 51 is attached to the base member 30 to support the intermediate tension roller 9. The assembling method is as follows.
After the sliding shaft 42 is inserted into the left and right sliding shaft mounting holes 53 from the back side of the auxiliary member 51, the sliding shaft mounting nut 50 is inserted into the sliding shaft 42 and screwed into the sliding shaft 42. The shaft 42 is attached to the auxiliary member 51. When the sliding shaft 42 is attached to the lifting cylinder main body 3 together with the base member 30 and the auxiliary member 51, the center line of the sliding shaft 42 is inclined between the upper tension roller 8 and the lower tension roller 10. It is attached at a position substantially coincident with the vertical bisector of the transport belt 5 to be stretched.

Next, an auxiliary member mounting bolt 56 is inserted into the auxiliary member mounting hole 54 of the auxiliary member 51 on which the sliding shaft 42 is mounted.
The auxiliary member 51 is mounted on the base member 30 by screwing the auxiliary member mounting bolt 56 into the auxiliary member mounting screw hole 58 of the base member 30. In addition,
After attaching the auxiliary member 51 to the base member 30, the sliding shaft 42 may be attached to the auxiliary member 51.

The base member mounting hole 55 of the auxiliary member 51 and the base member mounting bolt 57
The base member 30 and the auxiliary member 51, that is, the support member 41 are lifted by screwing this base member mounting bolt 57 into a mounting hole (not shown) formed in the lifting cylinder main body 3. It will be attached to the cylinder main body 3.

The upper tension roller 8 is rotatably attached to the upper tension roller shaft 31 and adjusts the lateral displacement of the transport belt 5 stretched over the lifting cylinder main body 3. One end of the upper tension roller shaft 31 is rotatably supported on the upper tension roller support member 34 by a support bolt 36. A mounting hole 37 is formed in the other end of the upper tension roller shaft 31, and a mounting bolt 39 (see FIG. 1) is inserted into the mounting hole 37 to be provided in the upper tension roller fixing member 35. By screwing into the mounting screw hole of the adjustment block not shown,
The upper tension roller 8 is mounted on the base member 30. The adjustment block includes an adjustment bolt 38 mounted on the upper surface of the upper tension roller fixing member 35.
The position of the upper tension roller 8 is adjusted by changing the vertical position of the adjustment block by adjusting the tightening position of the upper tension roller 8.

The intermediate tension roller 9 is rotatably mounted on an intermediate tension roller shaft 32 as a support shaft, and has a transport belt 5 located between the upper tension roller 8 and the lower tension roller 10. The tension is applied to the transport belt 5 by force. At both ends of the intermediate tension roller shaft 32, mounting holes 44 are respectively formed. After the coil spring 43 is inserted through the sliding shaft 42, the mounting holes 44 are formed.
Is inserted into the sliding shaft 42, whereby the intermediate tension roller 9 is attached to the auxiliary member 51. At this time, since the coil spring 43 inserted through the sliding shaft 42 is located between the intermediate tension roller shaft 32 and the sliding shaft mounting portion 52, the intermediate tension roller 9 is moved outward by the coil spring 43. It is attached to the support member 41 in a state of being urged toward.

The lower tension roller 10 is rotatably mounted on the lower tension roller shaft 33 and presses the transport belt 5 against the lower roller 4. One end of the lower tension roller shaft 33 is connected to the lower tension roller support member 4.
5 is rotatably supported by a support bolt 47. A mounting hole 48 is formed in the other end of the lower tension roller shaft 33, and a mounting bolt 49 (see FIG. 1) is inserted into the mounting hole 48 to mount the lower tension roller fixing member 46 (not shown). By screwing into the screw hole, the lower tension roller 10
0 is attached.

In order to mount the transport belt 5 on the doffing and feeding apparatus 1 on which the tension mechanism 7 assembled as described above is installed, the following is performed. First, the transport belt 5 is wound around the lower roller 4 and the upper roller 20 so as to go around the lifting cylinder main body 3. Convey belt 5 with both rollers 4 and 2
In a state where the upper tension roller 8 is in the open state, the upper tension roller 8 which has been in the open state is closed while pressing the conveyor belt 5, and the mounting bolt 39 inserted through the mounting hole 37 is screwed into the mounting screw hole of the adjustment block. Thereby, the upper tension roller 8 is mounted on the base member 30.

Subsequently, the lower tension roller 10 which has been opened is closed while pressing the conveyor belt 5, and the mounting bolt 49 inserted through the mounting hole 48 is screwed into the mounting screw hole of the lower tension roller fixing member 46. By attaching, the lower tension roller 10 is mounted on the base member 30. In this way, the conveyor belt 5 is
Is attached.

When the transport belt 5 is pressed by the upper tension roller 8 or the lower tension roller 10 as described above, the upper tension roller 8 or the lower tension roller 10 is closed using a special auxiliary tool. The conveying belt 5 is pressed, and the conveying belt 5
Attach to

As described above, when the transport belt 5 is attached to the ball lifting device 1 in which the tension mechanism 7 is attached to the lifting cylinder main body 3 and tension is applied to the transport belt 5 by the tension mechanism 7, FIG. As shown by the arrow, the intermediate tension roller 9 is perpendicular to the conveyance belt 5 (a portion indicated by a dashed line) with respect to the conveyance belt 5 (a portion shown by a dashed line) which is obliquely wound between the upper tension roller 8 and the lower tension roller 10. Since it is disposed so as to be urged on the bisector, the repulsive force from the transport belt 5 that is obliquely stretched between the upper tension roller 8 and the lower tension roller 10 is appropriately applied by the coil spring 43 of the intermediate tension roller 9. The tension mechanism 7 can sufficiently exhibit its function and improve the durability of the tension mechanism 7. It can be.

The tension mechanism 7 of the doffing and feeding device 1 has been described in detail above.
In the first embodiment, the tension mechanism 7 has the three tension rollers of the upper tension roller 8, the intermediate tension roller 9 and the lower tension roller 10. However, the tension mechanism 7 has the three tension rollers. It may have two tension rollers. An outline of such an embodiment (hereinafter, referred to as a second embodiment) will be described with reference to FIGS. FIG. 4 is a schematic view of the tension mechanism 7 according to the second embodiment in which the intermediate tension roller 9 is located inside the transport belt 5 and the upper tension roller 8 is located outside the transport belt 5. FIG. FIG. 9 is a schematic view of the tension mechanism 7 according to the second embodiment in which an intermediate tension roller 9 is outside the conveyor belt 5 and an upper tension roller 8 is inside the conveyor belt 5. Note that components having the same functions as those in the first embodiment are denoted by the same reference numerals.

4 and 5, in the tension mechanism 7 according to the second embodiment, unlike the tension mechanism 7 according to the first embodiment, there is no lower tension roller 10 and a roller corresponding to the lower tension roller 10 is used. The lower roller 4 is applied. That is, the tension mechanism 7 according to the second embodiment includes the upper tension roller 8
And an intermediate tension roller 9 for urging the transport belt 5 located between the upper tension roller 8 and the lower roller 4. The intermediate tension roller 9 is The transfer belt 5 is disposed so as to be urged in the vertical direction with respect to the transport belt 5 that is slanted between the lower roller 4 and the transfer belt 5. However, in FIG. 4, as in the first embodiment, the intermediate tension roller 9 is located inside the transport belt 5 and the upper tension roller 8 is located outside the transport belt 5. However, in FIG. 9 is located outside the conveyor belt 5 and the upper tension roller 8 is located inside the conveyor belt 5.

In each of FIGS. 4 and 5, the repulsive force from the conveyor belt 5 that is obliquely stretched between the upper tension roller 8 and the lower roller 4 is applied to the coil spring 43 of the intermediate tension roller 9. Therefore, similarly to the first embodiment, not only can the function of the tension mechanism 7 be sufficiently exhibited, but also the durability of the tension mechanism 7 can be improved. Further, since the number of tension rollers can be reduced, the length of the tension mechanism 7 in the vertical direction can be further reduced, and the position of the upper tension roller 8 can be kept low.

As described above, the doffing and feeding apparatus 1 according to a plurality of embodiments.
Although the tension mechanism 7 has been described in detail, in the present embodiment, the transport belt 5 stretched over the upper roller 20 and the lower roller 4 supported by the lifting cylinder main body 3.
In the ball lifting and feeding device 1 provided with a tension mechanism 7 for rotating pachinko balls by rotating a motor and driving the pachinko balls and applying tension to the conveyor belt 5, the tension mechanism 7 A transfer belt 5 is provided between the upper tension roller 8 to be transferred and the upper tension roller 8 below the upper tension roller 8.
Is disposed at a position where it is hung obliquely, and a lower tension roller 10 around which the conveyor belt 5 is hung, and the conveyor belt 5 hung obliquely between the upper tension roller 8 and the lower tension roller 10 are elastic members. And the intermediate tension roller 9 is biased substantially by the intermediate tension roller 9. The intermediate tension roller 9 is substantially perpendicular to the transport belt 5 that is obliquely stretched between the upper tension roller 8 and the lower tension roller 10. It is arranged so as to urge in the direction. With this configuration, the resilient member of the intermediate tension roller 9 can receive the repulsive force from the transport belt 5 that is obliquely stretched between the upper tension roller 8 and the lower tension roller 10 in an appropriate state. Therefore, the function of the tension mechanism 7 can be sufficiently exhibited, and the durability of the tension mechanism 7 can be improved. Further, since the positions of the upper tension roller 8 and the lower tension roller 10 are oblique, the length of the tension mechanism 7 in the vertical direction can be shortened, and the position of the upper tension roller 8 can be kept low.

In the present embodiment, the upper tension roller 8 and the lower tension roller 10
Are located outside the conveyor belt 5, and the intermediate tension roller 9 is located inside the conveyor belt 5. With such a configuration, the upper tension roller 8 and the lower tension roller 10 can be disposed closer to the lifting cylinder main body 3 side, so that the entire tension mechanism 7 can be made smaller. Further, the intermediate tension roller 9 moves the transport belt 5 from the lifting cylinder main body 3 side to the outside of the lifting cylinder main body 3.
, The moving space of the intermediate tension roller 9 can be widened.

In the present embodiment, the intermediate tension roller 9 stands in a substantially vertical direction with respect to the transport belt 5 which is obliquely stretched between the upper tension roller 8 and the lower tension roller 10. Attachment holes 44 formed at both ends of the intermediate tension roller shaft 32 as support shafts of the coil spring 43 and the intermediate tension roller 9 are respectively fitted to the two parallel sliding shafts 42 provided. The slide shaft 42 is slidably supported in a biased state by passing through the slide shaft 42.
Is characterized in that it is detachably fixed to the lifting cylinder 3 main body. With this configuration, even if the intermediate tension roller 9 slides on the sliding shaft 42 and the sliding shaft 42 is worn,
2 only needs to be replaced, and it is not necessary to replace the entire tension mechanism 7.

In this embodiment, the sliding shaft 42 is fixed to a supporting member 41 which is detachably fixed to the lifting barrel 3 main body. With such a configuration, even when the support member 41 is damaged or damaged due to an impact from the intermediate tension roller 9 or the like, only the support member 41 needs to be replaced, and there is no need to replace the entire lifting cylinder main body 3. .

In the present embodiment, the support member 41 has a structure in which both of the two sliding shafts 42 are fixed.
It is characterized by being integrally formed as one support member 41. With such a configuration, the work of fixing the two sliding shafts 42 in parallel can be easily performed because both are fixed to the integrally formed support member 41. . The support member 41
Operability such as replacement work of the vehicle can be improved.

In the present embodiment, the support member 41 is a base member 30 for fixing the upper tension roller 8 and the lower tension roller 10.
An auxiliary member 51 for fixing the sliding shaft 42;
The auxiliary member 51 is provided with the base member 30.
Characterized in that it is detachably fixed with respect to. With this configuration, the base member 30 is damaged or damaged due to an impact from the upper tension roller 8 and the lower tension roller 10, or the auxiliary member 51 is damaged or damaged due to the impact of the intermediate tension roller 9. Even in this case, only the respective members 30 and 51 need to be replaced, and there is no need to replace the entire support member 41. In addition, it is only necessary to increase the processing accuracy of the auxiliary member 51 which requires high processing accuracy in order to fix the two sliding shafts in parallel, and it is not necessary to increase the processing accuracy of the entire support member 41. Reduction can be achieved.

Further, in the present embodiment, the intermediate tension roller 9 is arranged so that the intermediate tension roller 9 obliquely extends between the upper tension roller 8 and the lower tension roller 10 with respect to the transport belt 5. Are arranged on a substantially vertical bisector of the above. With this configuration, the resilient member of the intermediate tension roller 9 can receive the repulsive force from the transport belt 5 that is slanted between the upper tension roller 8 and the lower tension roller 10 in an optimal state. Therefore, not only can the function of the tension mechanism 7 be sufficiently exhibited, but also the durability of the tension mechanism 7 can be further improved.

Further, in the present embodiment, the pachinko balls are lifted by rotating the transport belt 5 which is wound around the upper roller 20 and the lower roller 4 which are pivotally supported by the lifting cylinder main body 3 by driving a motor. In addition, in the doffing and feeding apparatus 1 provided with a tension mechanism 7 that applies tension to the transport belt 5, the tension mechanism 7 includes an upper tension roller 8 around which the transport belt 5 is wound, An intermediate tension roller 9 urged by an elastic member to urge the transport belt 5 between the lower roller 4 and the intermediate tension roller 9. The intermediate tension roller 9 includes the upper tension roller 8 and the lower roller. The conveyor belt 5 which is slanted between the conveyor belt 5 and the conveyor belt 5
Are provided so as to be urged in a substantially vertical direction. With this configuration, the resilient member of the intermediate tension roller 9 can receive the repulsive force from the transport belt 5 that is slanted between the upper tension roller 8 and the lower roller 4 in an appropriate state. Thus, the function of the tension mechanism 7 can be sufficiently exhibited, and the durability of the tension mechanism 7 can be improved. Further, since the number of tension rollers can be reduced, the length of the tension mechanism 7 in the vertical direction can be further reduced, and the position of the upper tension roller 8 can be kept low.

In the first embodiment described above, the upper tension roller 8 and the lower tension roller 10 are outside the conveyor belt 5 and the intermediate tension roller 9 is inside the conveyor belt 5. The tension roller 8 and the lower tension roller 10 may be inside the conveyor belt 5 and the intermediate tension roller 9 may be outside the conveyor belt 5.

In the first embodiment described above, the upper tension roller 8 is located near the lifting barrel main body 3 and
Although the lower tension roller 10 has been shown to be located away from the lifting barrel main body 3, the upper tension roller 8 has been located away from the lifting barrel main body 3, and the lower tension roller 10 has been positioned on the lifting barrel main body 3. It may be located nearby.

Further, in the above embodiment, the support member 4
Although the reference numeral 1 shows a structure including the base member 30 and the auxiliary member 51, the base member 30 and the auxiliary member 51 may be integrally formed and formed as one member.

[0051]

As is apparent from the above description, according to the first aspect of the present invention, the transport belt wound around the upper roller and the lower roller supported by the lifting cylinder main body is driven by the motor. In a ball-lifting device provided with a tension mechanism for rotating the pachinko ball to orbit and applying tension to the transport belt, the tension mechanism includes an upper tension roller around which the transport belt is wound, and an upper tension roller. A lower tension roller, which is disposed below the roller and at which the transport belt is obliquely extended between the upper tension roller and the transport belt is stretched, and between the upper tension roller and the lower tension roller. An intermediate tension roller for urging the conveyance belt obliquely with an elastic member. The intermediate tension roller is disposed so as to urge in a substantially vertical direction with respect to the transport belt obliquely wound between the upper tension roller and the lower tension roller. is there. With such a configuration, the resilient member of the intermediate tension roller can receive the repulsive force from the transport belt obliquely stretched between the upper tension roller and the lower tension roller in an appropriate state. Can be sufficiently exhibited, and the durability of the tension mechanism can be improved. Further, since the positions of the upper tension roller and the lower tension roller are oblique, the length of the tension mechanism in the vertical direction can be shortened, and the position of the upper tension roller can be kept low.

Further, in the invention of claim 2, the upper tension roller and the lower tension roller are
The intermediate tension roller is located outside the conveyor belt, and the intermediate tension roller is located inside the conveyor belt. With this configuration,
Since the upper tension roller and the lower tension roller can be arranged close to the lifting cylinder main body, the entire tension mechanism can be made smaller. Further, since the intermediate tension roller urges the transport belt from the lifting cylinder main body side toward the outside of the lifting cylinder main body, the moving space of the intermediate tension roller can be widened.

Further, in the invention according to claim 3, the intermediate tension roller stands upright in a substantially vertical direction with respect to the transport belt obliquely wound between the upper tension roller and the lower tension roller. The two sliding shafts parallel to each other slide in a biased state by fitting through mounting holes formed at both ends of a support shaft of the coil spring and the intermediate tension roller, respectively. And the sliding shaft is detachably fixed to the lifting cylinder main body. With this configuration, even when the intermediate tension roller slides on the sliding shaft and the sliding shaft is worn, only the sliding shaft needs to be replaced, and the entire tension mechanism needs to be replaced. Absent.

Further, in the invention of claim 4, the sliding shaft is fixed to a support member which is detachably fixed to the lifting cylinder main body. With this configuration, even if the support member is damaged or damaged due to an impact from the intermediate tension roller or the like, only the support member needs to be replaced, and there is no need to replace the entire lifting cylinder main body.

According to a fifth aspect of the present invention, the support member is integrally formed as one support member to which both of the two sliding shafts are fixed. is there. With such a configuration, the work of fixing the two sliding shafts in parallel can be easily performed because both are fixed to the integrally formed support member. In addition, workability such as replacement work of the support member can be improved.

Further, in the invention according to claim 6, the support member includes a base member for fixing the upper tension roller and the lower tension roller, and an auxiliary member for fixing the sliding shaft. And the auxiliary member is detachably fixed to the base member. With this configuration, even when the base member is damaged or damaged due to the impact from the upper tension roller and the lower tension roller, or when the auxiliary member is damaged or damaged due to the impact of the intermediate tension roller, the respective members are not affected. It is only necessary to replace only the support member and it is not necessary to replace the entire support member. Also,
It is only necessary to increase the processing accuracy of the auxiliary member, which requires high processing accuracy to fix the two sliding shafts in parallel, and it is not necessary to increase the processing accuracy of the entire support member, thereby reducing manufacturing costs. Can be.

Further, in the invention according to claim 7, the intermediate tension roller is substantially perpendicular to the transport belt that is obliquely stretched between the upper tension roller and the lower tension roller. It is characterized by being arranged on a bisector. With this configuration, the resilient member of the intermediate tension roller can receive the repulsive force from the transport belt obliquely stretched between the upper tension roller and the lower tension roller in an optimal state. Not only can fully exhibit the function described above, but also the durability of the tension mechanism can be further improved.

Further, in the invention according to the eighth aspect, the conveying belt wound around the upper roller and the lower roller supported by the lifting cylinder main body is rotated by driving the motor to lift the pachinko balls. In a doffing and feeding device provided with a tension mechanism that applies tension to the transport belt, the tension mechanism includes an upper tension roller around which the transport belt is stretched, and an oblique angle between the upper tension roller and the lower roller. An intermediate tension roller for urging the transport belt to be stretched by an elastic member, wherein the intermediate tension roller is disposed obliquely between the upper tension roller and the lower roller with respect to the transport belt. And are arranged so as to be urged substantially vertically. With this configuration, the resilient member of the intermediate tension roller can receive the repulsive force from the transport belt obliquely stretched between the upper tension roller and the lower roller in an appropriate state. The function can be sufficiently exhibited, and the durability of the tension mechanism can be improved. Further, since the number of tension rollers can be reduced, the length of the tension mechanism in the vertical direction can be further reduced, and the position of the upper tension roller can be kept low.

[Brief description of the drawings]

FIG. 1 is a side view of an upper portion and a lower portion of a doffing apparatus according to an embodiment.

FIG. 2 is a perspective view of a state in which an upper tension roller and a lower tension roller of a tension mechanism are opened, and an intermediate tension roller is disassembled.

FIG. 3 is a perspective view showing a state in which an upper tension roller and a lower tension roller of the tension mechanism are opened, and an intermediate tension roller is attached.

FIG. 4 is a schematic view of a tension mechanism according to a second embodiment in which an intermediate tension roller is inside a conveyance belt and an upper tension roller is outside a conveyance belt.

FIG. 5 is a schematic view of a tension mechanism according to a second embodiment in which an intermediate tension roller is outside a conveyance belt and an upper tension roller is inside a conveyance belt.

[Explanation of symbols]

 REFERENCE SIGNS LIST 1 ball lifting device 3 lifting cylinder main body 4 lower roller 5 transport belt 7 tension mechanism 8 upper tension roller 9 intermediate tension roller 10 lower tension roller 20 upper roller 30 base member 31 upper tension roller shaft 32 intermediate tension roller shaft (support shaft) ) 33 Lower tension roller shaft 34 Upper tension roller support member 35 Upper tension roller fixing member 40 Auxiliary member fixing portion 41 Support member 42 Sliding shaft 43 Coil spring 44 Mounting hole 45 Lower tension roller support member 46 Lower tension roller fixing member 47 Support Bolt 50 Sliding shaft mounting nut 51 Auxiliary member 52 Sliding shaft mounting portion 53 Sliding shaft mounting hole 54 Auxiliary member mounting hole 55 Base member mounting hole 56 Auxiliary member mounting bolt 57 Base member mounting bolt 8 auxiliary member attaching screw 59 pumped tube mounting hole

Continued on the front page (72) Inventor Makoto Yanagawa 2-102 Mino-cho, Kasugai-shi, Aichi F-term (reference) 2C088 BA96 CA24 EA32

Claims (8)

[Claims] 1. A motor driven by a motor rotates a transport belt that is wound around an upper roller and a lower roller that are supported by a lifting cylinder main body to lift pachinko balls and apply tension to the transport belt. In a doffing and feeding device provided with a tension mechanism, the tension mechanism includes an upper tension roller around which the transport belt is stretched, and a transport belt obliquely below the upper tension roller and between the upper tension roller. A lower tension roller disposed at a position to be hung and over which the transport belt is stretched, and an intermediate tension roller biasing the transport belt obliquely stretched between the upper tension roller and the lower tension roller by an elastic member; The intermediate tension roller includes the upper tension roller and the lower tension roller. Ball pumped apparatus characterized by being arranged so as to bias in a direction substantially perpendicular to said conveyor belt being passed over diagonally between Nrora. 2. The upper tension roller and the lower tension roller are located outside the conveyor belt,
The doffing and feeding device according to claim 1, wherein the intermediate tension roller is located inside the transport belt. 3. The intermediate tension roller comprises two slides parallel to each other which are erected substantially vertically with respect to the transport belt obliquely stretched between the upper tension roller and the lower tension roller. The driving shaft is slidably supported in a biased state by being fitted through mounting holes formed at both ends of a coil spring as the elastic member and a support shaft of the intermediate tension roller. The doffing and feeding device according to claim 1, wherein a shaft is detachably fixed to the lifting tube main body. 4. The ball-lifting device according to claim 3, wherein the sliding shaft is fixed to a support member detachably fixed to the lifting cylinder main body. 5. The apparatus according to claim 4, wherein the support member is integrally formed as one support member to which both of the two sliding shafts are fixed. . 6. The base member for fixing the upper tension roller and the lower tension roller, an auxiliary member for fixing the sliding shaft, and
The doffing and conveying device according to claim 4, wherein the auxiliary member is detachably fixed to the base member. 7. The intermediate tension roller is disposed on a substantially vertical bisector of the transport belt with respect to the transport belt obliquely stretched between the upper tension roller and the lower tension roller. The doffing and feeding device according to any one of claims 1 to 6, wherein 8. A motor driven by a motor drives a motor to rotate a conveyor belt stretched between an upper roller and a lower roller supported by a lifting cylinder main body to lift pachinko balls and apply tension to the conveyor belt. In the doffing and feeding device provided with a tension mechanism, the tension mechanism elastically moves an upper tension roller around which the transport belt is stretched and the transport belt obliquely stretched between the upper tension roller and the lower roller. An intermediate tension roller biased by a member,
Wherein the intermediate tension roller is disposed so as to urge in a substantially vertical direction with respect to the transport belt obliquely wound between the upper tension roller and the lower roller. And a ball-lifting device.